Is mason jars with plastic lids profitable to sell on Amazon United States?

The niche generates $64K/yr across 28 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (47/100).

How competitive is the mason jars with plastic lids niche?

20 brands and 38 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 59% of demand.

What do buyers complain about in mason jars with plastic lids?

Top complaints mined from reviews: Leak-Proof, Size-Overall, Ease Of Use. The return rate is 1.9%.

When does demand for mason jars with plastic lids peak?

Demand peaks in Jan; the busiest month runs 1.4× the quietest.

What does it cost to enter the mason jars with plastic lids niche?

Listings span $5.86–$33.58; the average listing price is $17.30 (sweet spot $15–$100). The average incumbent carries 1,803 reviews — the moat a new listing must climb.

mason jars with plastic lids

Skip it

A small market ($64K/yr) — this niche doesn't clear our bar today.

Avg price

Great$17.30

avg listing price — sweet spot $15–$100

Returns

Great1.9%

return rate — above 5% kills the launch gate

Brand share

Great59%

top-5 brand share — no brand owns this niche

Price range

Good$5.86–$33.58

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good49%

top-5 click share — leaders hold, buyers still browse

Conversion

Okay3.9%

search→purchase rate — share of searches ending in a sale

Review moat

Okay1,802.68

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-5.8%

90-day search growth — must beat 0% to launch

Market size

Bad$64K

$64K/yr · 94K searches

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, mason jars with plastic lids is a $64K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jan. Verdict: Skip it — 47/100.

Data updated Aug 5, 2026 · scored weekly · How we score niches

mason jars with plastic lids market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $69K–$87K; units × avg price
Conversion rate: 3.9%
Avg BSR: #271
Page quality: 0%
Prime: 93%
Sponsored: 86%
Out of stock: 3.6%
Avg brand age: 35 months
Avg seller age: 149 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

49%

Top 20: 91%

Open market

35%

PR1M324%
Xyptorix13%
Artcochan8%
COYACOOL7%
SECLENT7%
GLATABAM6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.8% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 1.4×

Open Trend

Top mason jars with plastic lids search terms

mason jars with plastic lids39K/yr -11.1%3.8% conv.
mason jar with plastic lid18K/yr +3.3%3.6% conv.
glass jars with plastic lids11K/yr +10.4%2.4% conv.
glass jar with plastic lid9K/yr -12.2%2.2% conv.
glass mason jars with plastic lids4K/yr -31.1%3.2% conv.
ball jars with plastic lids4K/yr +8.2%2.8% conv.
wide mouth mason jars with plastic lids4K/yr +0.1%2.9% conv.
jars with plastic lids3K/yr +6.8%3.6% conv.
glass jar plastic lid3K/yr -8.1%3.5% conv.

All search terms

Top mason jars with plastic lids products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Wide Mouth Mason Jars 32 oz 2 Pack Quart Size Jars with Airtight Lids and Bands & White Plastic Lid Ideal for Meal Prep Canning Fermenting and DIY Projects Microwave & Dishwasher Safe.

PR1M3$16.814.8★315 rev

Xyptorix 16oz Overnight Oats Containers with Lids 6 Pack Glass Mason Jars

Xyptorix$18.634.7★708 rev

Artcochan Overnight Oats Containers with Lids 16 oz Glass Jars 6 Pack Glass Mason Jars with Airtight Lids Perfect for Oats Yogurt Chia Pudding Snack

Artcochan$14.794.7★690 rev

COYACOOL Overnight Oats Containers with Lids 16oz Wide Mouth Mason Jars with Lids 9 Pack Glass Jars with Airtight lid for Chia Pudding Yogurt Salad Meal Prer Oatmeal Jars

COYACOOL$23.814.6★168 rev

Mason Jars 16 oz Overnight Oats Containers with Lids Glass Jar with Lid

SECLENT$16.954.7★382 rev

Newest

by launch date

32oz Wide Mouth Mason Jars 2-Pack with Airtight Split Lids & Plastic Lids

STARSIDE$15.8821 rev

5mo ago

CycleMore 32 oz Wide Mouth Mason Jars with Airtight Metal Lids 6-Pack Canning Jars with Colorful Plastic Lids & Pitcher Lid Quart Jars for Overnight Oats Pickling Cold Brew and Sun Tea

CycleMore$26.06596 rev

5mo ago

GLATABAM 16 oz 4-Pack Overnight Oats Containers with Lids

GLATABAM$12.09612 rev

11mo ago

Mason Jars 16 oz Overnight Oats Containers with Lids Glass Jar with Lid

SECLENT$16.95382 rev

1y ago

PR1M3 16 oz Mason Jars Regular Mouth with Plastic Lids 6 Pack Canning Jars

PR1M3$24.1158 rev

1y ago

What buyers say about mason jars with plastic lids

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall20%

“Fit perfectly”

Quality-Overall13%

“Amazing quality”

Color9%

“Colors are pretty”

Leak-Proof8%

“Does not leak”

Value For Money6%

“Excellent value”

Advertised Vs Actual Product5%

“These are as pictured”

Durability4%

“Cute and durable”

Ease Of Use4%

“Comes in handy”

Rusts/Corrodes4%

“no rust”

Ease Of Cleaning4%

“clean up well for re-use”

What buyers complain about

Leak-Proof18%

“they leak”

Size-Overall14%

“Bigger than I expected”

Ease Of Use10%

“Genuinely so hard to twist off”

Durability7%

“Break easily”

Rusts/Corrodes6%

“Out with the rust”

Quality-Overall5%

“Bad quality”

Ease Of Cleaning5%

“Arrived dirty”

Value For Money2%

“A bit pricey”

Color2%

“in full disclosure I dont find these pastel colors attractive at all”

Dishwasher Safe2%

“broke in dishwasher”

Top return reasons

Size-Overall72%

Advertised Vs Actual Product6%

Value For Money5%

Material Quality4%

Leak-Proof3%

Quality-Overall3%

Color1%

Dishwasher Safe1%

Functionality-Overall1%

Strength1%

Common questions

Is mason jars with plastic lids profitable to sell on Amazon United States?: The niche generates $64K/yr across 28 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Skip it (47/100).
How competitive is the mason jars with plastic lids niche?: 20 brands and 38 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in mason jars with plastic lids?: Top complaints mined from reviews: Leak-Proof, Size-Overall, Ease Of Use. The return rate is 1.9%.
When does demand for mason jars with plastic lids peak?: Demand peaks in Jan; the busiest month runs 1.4× the quietest.
What does it cost to enter the mason jars with plastic lids niche?: Listings span $5.86–$33.58; the average listing price is $17.30 (sweet spot $15–$100). The average incumbent carries 1,803 reviews — the moat a new listing must climb.